The strength of an mountain or basic is regarded the level of dissociation in solution:

- a strong acid or basic is fully dissociated

- a weak mountain or base is partially dissociated

So because of this we will have actually 4 feasible types the acids and also bases:

1. Weak Acid

2. Solid Acid

3. Weak Base

4. Solid Base

Also, each of this acids and also bases will dissociate in systems to give different species.

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1. Weak mountain Dissociation eg CH3COOH
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CH3COOH is a weak acid and also dissociates partly in systems (as indicated with reversible arrow) to form H+ and CH3COO- ions.

Since this is a reversible process, CH3COO- deserve to accept H+ to kind back CH3COOH.

Therefore the nature of CH3COO- is simple and we call CH3COO- the conjugate base of CH3COOH.

2. Solid Acid Dissociation eg HCl
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HCl is a strong acid and will dissociate totally (as shown with complete arrow) in equipment to form H+ and Cl-ions.

Since this is one irreversible process, Cl- has no tendency to expropriate H+ and form back HCl.

Therefore the nature the Cl- is neutral.

3. Weak basic dissociation zb NH3
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NH3 is a weak base and dissociates partially in systems (as shown with reversible arrow) to form OH- and also NH4+ ions.

Since this is a reversible process, NH4+ have the right to donate H+ to kind back NH3.

Therefore the nature of NH4+ is acidic and also we contact NH4+ the conjugate acid of NH3.

4. Strong base dissociation eg NaOH

NaOH is a solid base and also will dissociate completely (as indicated with full arrow) in solution to kind OH-and Na+ ions.

Since this is one irreversible process, Na+ has actually no propensity to donate H+ and form back NaOH.

Therefore the nature of Na+ is neutral.

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So in summary:

- weak acid will certainly dissociate to offer conjugate base

- weak base will dissociate to offer conjugate acid

- strong acid will certainly dissociate to give a neutral ion

- strong base will dissociate to provide a neutral ion


These concepts are fundamental and really important in Ionic Equilibria.

Check the end this video lesson to learn more about acids and bases and also their dissociation in solution!

Topic: Ionic Equilibria, physics Chemistry, JC, H2, A Level Chemistry, Singapore


You can likewise view this video clip lesson with screenshots and detailed explanation in ~ https://chemistryguru.com.sg/bronsted-acids-and-bases-types-and-strength

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